Re: git: c8c2d4f22536 - main - lang/python3: allow using LTO on powerpc64

Am 26.02.23 um 13:26 schrieb Alexey Dokuchaev:
> On Sun, Feb 26, 2023 at 01:00:19PM +0100, Matthias Andree wrote:
>> Am 24.02.23 um 16:48 schrieb Piotr Kubaj:
>>> commit c8c2d4f2253694802ef720f098c57800570ad2fc
>>>
>>>    lang/python3: allow using LTO on powerpc64
>>>
>>>    It was recently fixed and will be available in 13.2-RELEASE.
>>>    Since LTO is not enabled by default, it's ok to make it available.
>>
>> Careful. LTO causes EXCESSIVE memory use for the build.
>> I've had to disable it for a low-memory server I operate (amd64 based,
>> but that's the LTO feature itself, not the CPU).
> 
> I think most people just disable LTO because they don't have 256GB+ or
> whatever amount of RAM it demands for arguably rather little gain.
> 
> Putting OPTIONS_UNSET+=LTO in your /etc/make.conf makes the ports tree
> much more usable.

Yeah. I have put my make-fu through the wringer and have ended up with:

OPTIONS_UNSET+=${MAINTAINER:tl:Nmandree@freebsd.org:C/.+/LTO/}

which only disables it on ports that I do not maintain, so I can still 
test, for instance, graphics/rawtherapee LTO builds.